"This moment makes me so excited... I shouldn't be seen like this! But I can't help but want to show off..." Class 3-A's attendance rate has dropped due to a serial underwear thief. As a solution, Ms. Misaki decides to use her own underwear to track down the culprit! To catch the thief, she patrols the school naked, having removed all her clothes. However, she becomes so engrossed in the pleasure of being exposed that she loses sight of her original goal. Instead of catching the thief, she becomes obsessed with finding opportunities to masturbate. This leads to more unnecessary exposure, and she ends up being caught by the thief and creampied... The story of a female teacher who becomes addicted to the pleasure of sex while being watched by others.